いろいろ sigma 17-70mm f2.8-4 dc macro os hsm review 174549
Sigma's almost identical 1770mm f/2845 and 1850mm f/28 siblings both look and feel like serious lenses Neither one is truly a macro lens, despite that specification being in both namesBy Adam Welch The Sigma 1770mm f/284 DC Macro (OS) HSM is a refreshingly unique lens in a market of " walk around " lenses While some standard zoom lenses (not all) have apparently decided to opt for a 2470mm focal range, Sigma has decided to dip a toe into the wideangle end of the focal length poolRegarding the comparison with the Sigma 1750mm 1 28 EX DC OS HSM I would choose the Sigma 1770 / 2845 Macro HSM for every day, because of the focal lengths I used the Sigma 1750mm 1 28 EX DC OS HSM at the same time as the Tamron 1750mm f / 28 XR Di II VC LD and was disappointed with the quality At Lot 59 With The 17 70mm F2 8 4 Dc Contemporary By Matt Armendariz Sigma 17-70mm f2.8-4 dc macro os hsm review